<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>手写Promise</title>
</head>
<body>

<script src="../dist/atguigu-utils.js"></script>
<script>
  const { Promise } = aUtils
  new Promise((resolve, reject) => {
    // resolve(1)
    // setTimeout(() => {
      reject(2)
    // }, 1000);
  })
  .then(value => {
    console.log('onResolve()1')
  })
  .then(
    value => {console.log('onResolved()2', value)},
    reason => {
      console.log('onRejected2()', reason)
      // return 3
      // throw 4
      // return new Promise((resolve, reject) =>resolve(5))
      return new Promise((resolve, reject) =>reject(6))
    }
  ).then(
    value => {console.log('onResolved3()', value)},
    reason => {
      console.log('onRejected3()', reason)
      // throw reason
    }
  ).catch(reason => {
    console.log('onRejected4()', reason)
  }).then(
    value => {console.log('onResolved5()', value)},
    reason => {
      console.log('onRejected5()', reason)
    }
  )
</script>
  
</body>
</html>